Remove Win64/Patched.A

Threat Summary

Description

Win64/Patched.A is detection for a malicious files that malware author has encrypted to bypass antivirus programs. The Trojan also infects Windows component and patched it to perform malicious tasks. This action by Win64/Patched.A also aids malware operation inside the infected computer. Affected Windows component and intent may differ from variants of this Trojan.

Normally, Win64/Patched.A arrives on the computer by means of another infection like Trojans and viruses. It is dropped on the PC secretly using known vulnerabilities in the system. There are instances that computer users may catch Win64/Patched.A when risky web site is visited. On this setup, malware authors are using a technique called drive-by-download to automate the process of installing the Trojan on visitor’s computer.

Detection of Win64/Patched.A may also apply if malicious copy of legitimate files overwrites the existing one. If that is the case, deleting the malware file may cause Windows to malfunction and cleaning is not feasible. Replacing the malware file with the original version from Windows CD may help resolve the issue. It is also important to run an antivirus scan to make sure that there will be no more Trojan left inside the computer.

What are the Symptoms of Win64/Patched.A Infection?

Activities of Win64/Patched.A remain hidden on the system. The only visible sign could be alert warnings and detection from installed antivirus program.

Procedures to Remove Win64/Patched.A

Removal steps on this page will help you get rid of the threat effectively using tools and virus scanners. Please make sure that you will carry out the guide in exact order.

1. When troubleshooting a PC, one common step is to boot operating system into Safe Mode with Networking. The same approach will be used in the removal of Win64/Patched.A. Please execute instructions based on your Windows OS version.

Start Windows 8 / Windows 10 in Safe Mode with Networking

- Close all running programs on your computer because we will need to restart Windows on this procedure.
- Press and Hold Shift key on your keyboard while clicking on Restart.
- You will then be presented with Troubleshooting Options.
- Click on Troubleshoot icon.
- Then, Click on Advanced Options icon.
- Select Startup Settings icon and then, Click on Restart button.
- When Windows restarts, it will prompt to choose number from the list of options. Press the number on your keyboard that corresponds to Safe Mode with Networking, commonly number 5.
- Once in Safe Mode, please proceed to the next step which is running a virus scan on the computer.

- Please restart the computer and just before Windows start, press F8 on your keyboard repeatedly. You will be presented with Advanced Options Menu.
- From the selections, choose Safe Mode with Networking. Please use keyboard's arrow up/down to navigate between selections and press Enter to proceed.

2. Once your Windows is running in Safe Mode, open your installed anti-virus programs and update it to the most recent version by automatically downloading necessary updates.

3. Thoroughly scan the computer and remove all identified threats. Do not restart or turn off the computer after the scan process. You still need to run another scan. Please follow the next procedure.

To remove Win64/Patched.A, download Malwarebytes Anti-Malware. This tool is effective in getting rid of Trojans, viruses and malware.

1. After downloading, please install the program using the default settings.

2. At the end of the installation, please make sure that it will download necessary updates.

3. Once update has completed, MalwareFox will launch.

4. Select SCAN button of MalwareFox application.

5. Scanning process will start and infections list will be displayed. Click NEXT to remove them.

Procedure 3: Run extra scan with Junkware Removal Tool

To make sure that no more malicious files linked to Win64/Patched.A are inside the computer, we must run another effective scanner. This time, use Junkware Removal Tool.
No installation is necessary with this tool.

2. Junkware Removal Tool will close all running applications later. So, before executing the file, please Bookmark or Print this page. And then, close all programs.

3. Double-click the JRT.exe file to initiate the tool.

4. It will prompt you to "Press any key to continue."

5. Junkware Removal Tool will create a Restore Point and proceed with the scan. Please wait for the scan process to finish.

6. After scanning the computer, JRT will open a Notepad containing scan logs. It may have not find Win64/Patched.A relevant entities, but it will surely delete any malicious items not found in the previous scans.

Procedure 4: Reset Affected Internet Browser

Reset browser settings of Google Chrome:

3. Navigate at the end of the page and click on Show advanced settings.

4. At the bottom of the page, click on Reset settings to remove all changes made by Win64/Patched.A.

Reset Internet Explorer Settings:

1. Open Internet Explorer software.

2. Navigate to top menu and click Tools > Internet Options.

3. On Internet Options window, select Advanced tab.

4. In order to reverse modifications caused by Win64/Patched.A, click on Reset button to bring back Internet Explorer's settings to their default condition.

Reset Firefox to its default state:

1. Open Mozilla Firefox program.

2. Navigate to top menu and Open Help Menu. Then, select on Troubleshooting Information.

3. Click on Refresh Firefox button to erase the effect of Win64/Patched.A.

Protect your PC from Win64/Patched.A or Similar Attack

Turn On Safe Browsing Features

Google Chrome's Protection from Dangerous Sites

With Google Chrome's Dangerous Site Protection feature, you will have lesser risks browsing the web. It will display a warning when the site you are trying to visit is suspicious, thus, you can prevent Win64/Patched.A infection.
To enable protection from dangerous sites, please do these steps:

Internet Explorer - Activate SmartScreen Filter

Internet Explorer versions 8 and 9 has this feature called SmartScreen Filter. It helps detect phishing web sites and protect you from downloading malicious programs including Win64/Patched.A. To turn on SmartScreen Filter, follow these steps:

Mozilla Firefox - Block Attack Sites and Web Forgeries

Phishing and Malware Protection is a built-in feature on Firefox version 3 or later. It warns you when a page you are trying to visit contains phishing content or an attack site designed to drop threats such as Win64/Patched.A. To help you keep safe while browsing the Internet using Firefox, please follow this guide:

1. Open Mozilla Firefox browser.

2. On top menu, click on Open Menu. Then select Options from the list.

3. Select Security and put a check mark on the following items:

Warn me when sites try to install add-ons

Block reported attack sites

Block reported web forgeries

Edge Browser - SmartScreen Filter

SmartScreen filter is a built-in feature in Microsoft Edge browser that can help you deter malicious programs such as Win64/Patched.A. It can block malicious web sites and downloads.

1. Open Microsoft Edge browser.

2. Click on More Actions button located at top right corner of the screen.